2007 MERCEDES-BENZ SL550 Vehicle tool kit

416 Practical hintsBatteries
Disconnecting the batteries
Apply the parking brake (
page 61).

Make sure the gear selector lever is set
to position P (
page 168).

Close the retractable hardtop
(page 199).

Turn off all electrical consumers.

Turn off the engine (
page 62).

Remove the SmartKey from the starter
switch.
Vehicles with KEYLESS-GO*: Open
the driver’s door.

Open the trunk.

Read and observe safety instructions
and precautions (
page 281).

Open the luggage cover in the trunk
(page 206).

Remove the trunk floor.
The battery for electrical consumers is
located in the right hand area of the
trunk (
page 388).

Use the 10 mm open-end wrench from
the vehicle tool kit to disconnect the
negative lead from negative
terminal5 of the consumer battery
(page 414).
Warning!
G
With a disconnected battery

you will no longer be able to turn the
SmartKey in the starter switch and
pressing the KEYLESS-GO* start/stop
button on the gear selector lever will
have no effect


the gear selector lever will remain
locked in positionP
!
Always disconnect the batteries in the order
described below, even if you only want to charge
the starter battery, for example. Otherwise the
vehicle’s electronics can be damaged.

417 Practical hints
Batteries

Open the hood (
page 274).

Use the 10 mm open-end wrench from
the vehicle tool kit to disconnect the
negative lead from negative
terminal2 of the starter battery
(page 414).

Remove the covers from the positive
terminals 1 and 4 (
page 414).

Disconnect the positive lead from pos-
itive terminal 4 of the consumer bat-
tery (
page 414).

Disconnect the positive lead from pos-
itive terminal 1 of the starter battery
(page 414).
Removing the batteries
Removing the consumer battery
Remove the screws securing the bat-
tery in the trunk.

Remove the battery support and
bracket.

Pull out the battery ventilation hose
from the battery.
Depending on battery arrangement in
your vehicle model, the ventilation tube
is located either on the left or right side
of the battery.

Take out the battery.
Removing the starter battery

Remove the screws securing the start-
er battery in the engine compartment.

Pull battery ventilation 3
(page 414) out of the battery.

Lift the retaining bracket.

Remove the battery.
Charging and reinstalling batteriesWarning!
G
Never charge a battery while still installed in
the vehicle unless the accessory battery
charge unit approved by Mercedes-Benz is
being used. Gases may escape during charg-
ing and cause explosions that may result in
paint damage, corrosion or personal injury.
An accessory battery charge unit specially
adapted for Mercedes-Benz vehicles and
tested and approved by Mercedes-Benz is
available, permitting the charging of the bat-
tery in its installed position. Contact an au-
thorized Mercedes-Benz Center for
information and availability. Charge battery
in accordance with the separate instruc-
tions for the accessory battery charger.

423 Practical hints
Towing the vehicle
Installing towing eye bolt
FrontExample illustration (SL 550 and SL 600
without Sport Package)1Cover on passenger side of front
bumper
To remove cover:
Press mark on cover 1 in direction of
arrow.

Lift cover1off to reveal the threaded
hole for towing eye bolt.To reinstall cover:

Fit locking tabs of cover under the
lower edge of the opening in the
bumper.

Apply even pressure on the upper part
of the cover until it snaps into place.
Rear
1Cover on passenger side of rear
bumper
To remove cover:

Insert flat, blunt object as a lever into
upper left or right recess of cover 1.

Loosen cover 1 using the lever.

Fold cover 1 down in direction of ar-
row to reveal the threaded hole for the
towing eye bolt.
To reinstall cover:

Fit cover 1 and snap into place.
Installing towing eye bolt

Take the towing eye bolt and the wheel
wrench from the vehicle tool kit
(page 388).

Screw towing eye bolt into threaded
hole to its stop.

Insert wheel wrench into towing eye
and tighten towing eye bolt by turning
it clockwise.
Removing towing eye bolt

Take the wheel wrench from the
vehicle tool kit (
page 388).

Insert wheel wrench into towing eye
and loosen towing eye bolt by turning it
counterclockwise.

Remove towing eye bolt.

424 Practical hintsFusesThe electrical fuses in your vehicle serve to
switch off malfunctioning power circuits.
If a fuse is blown, the components and sys-
tems secured by that fuse will stop operat-
ing.If a newly inserted fuse blows again, have
the cause determined and rectified by an
authorized Mercedes-Benz Center.
The following aids are available to help you
replace fuses. They are located in the trunk
with the vehicle tool kit (
page 388).


Fuse chart
The fuse chart explains the fuse alloca-
tion and fuse amperages.


Spare fuses


Fuse extractor
The electrical fuses are located in different
fuse boxes:


on the driver’s side of the engine com-
partment (
page 425)


on the passenger side of the engine
compartment (
page 425)


under passenger-side rear storage
compartment (
page 426)


in the trunk (
page 426)Before replacing fuses:

Apply the parking brake (
page 61).

Make sure the gear selector lever is set
to position P (
page 168).

Turn off all electrical consumers.

Turn off the engine (
page 62).

Remove the SmartKey from the starter
switch.
Vehicles with KEYLESS-GO*: Open
the driver’s door.
Warning!
G
Only use fuses approved by Mercedes-Benz
with the specified amperage for the system
in question and do not attempt to repair or
bridge a blown fuse. Using other than ap-
proved fuses or using repaired or bridged
fuses may cause an overload leading to a
fire, and/or cause damage to electrical
components and/or systems. Have the
cause determined and remedied by an
authorized Mercedes-Benz Centeri
A blown fuse must be replaced by an appro-
piate spare fuse (recognizable by its color or the
fuse rating given on the fuse) of the amperage
recommended in the fuse chart.
Any Mercedes-Benz Center will be glad to advise
you on this subject.

426 Practical hintsFusesFuse box in passenger compartment
The fuse box is located under the rear pas-
senger-side storage compartment.
1Clips
2Storage compartment floor
Open the rear passenger-side storage
compartment (
page 235).

Lift both clips 1.

Remove storage compartment floor 2
in direction of arrow.
You can now access the fuses.

To reinstall storage compartment
floor2 after checking or replacing
fuses, follow the procedure in reverse
order.
Fuse in trunk
The fuse in the trunk is located on the
right-hand side of the trunk.
Lift up the trunk floor cover.
Emergency engine shut-down
If the engine cannot be turned off as de-
scribed, you may use the following emer-
gency procedure.
Take the fuse chart from the vehicle
tool kit (
page 388).

Find row “Engine emergency stop” in
the fuse chart table to identify the
fuses that have to removed as well as
their locations.

Remove the respective fuses.

453 Index
A
ABC 225
Messages in display 349
Oil level 279
ABS 87
Indicator lamp 29, 334
Messages in the multifunction
display 351, 352
Warning lamp 27, 332
Accelerator position, automatic
transmission 171
Accessory weight 312
Accident 59
Active Body Control see ABC
Air bags 68
Children in the vehicle 83
Front 71
Front passenger front air bag off
indicator lamp 76
Head-thorax 72
Knee bag 72
Occupant Classification System
(OCS) 72
Passenger 72
Air conditioning system see Automatic cli-
mate control systemAir distribution 188, 189
Air pressure 312
Tire inflation pressure 291
Air pump 410
Air recirculation mode 191
Air vents 185
Air volume 188, 190
Alarm system see Anti-theft systems
Alignment bolt (vehicle tool kit) 409
Anticorrosion/antifreeze 445, 451
Antiglare, Interior rear view mirror 180
Antilock Brake System see ABS
Anti-theft systems
Anti-theft alarm system 96
Immobilizer 96
Tow-away alarm 98
Aquaplaning see Hydroplaning
Armrest 234
Ashtray 31, 239
Aspect ratio 312
ATF 279
Auto-dimming, Rear view mirrors 180
Automatic central locking 119
Control system 162Automatic climate control system 184
Air conditioning, Cooling 193
Air conditioning refrigerant 446
Air distribution 188, 189
Air recirculation mode 191
Air vents 185
Air volume 188, 190
Control panel 185
Deactivating system 187
Defrosting 183, 190
Residual heat utilization 194
Temperature 188
Temperature sensor 33
Ventilated glove box 195
Automatic lighting control, Interior
lighting 135
Automatic locking when driving 119
Automatic shift program 173
Automatic transmission 168
Accelerator position 171
Comfort program mode 173
Emergency operation
(Limp-Home Mode) 179
Gear ranges 172
Gear selector lever 32, 168
Gear selector lever position 168, 170

458 IndexF
Filler neck, Engine oil 278, 279
First aid kit 388
Flat tire 405
Preparing the vehicle 405
Spare wheel 388, 405
Flexible Service System see FSS
Fluids
Automatic climate control
system 444
Automatic transmission 279, 444
Brake system 272, 444, 447
Capacities 444
Engine coolant 280, 444, 449
Engine oil 275, 444, 446
Power steering 444
Retractable hardtop, Hydraulics 444
Windshield washer and headlamp
cleaning system 444
Fog lamps 131
Messages in the multifunction
display 380, 382
Replacing bulbs 398
Front air bags 71
Front lamps see HeadlampsFront passenger front air bag
Messages in the multifunction
display 356–359
Front passenger front air bag off indicator
lamp 76, 345
FSS (Canada only) 319
Fuel 271
Additives 448
Capacity, Fuel tank 444
Consumption statistics 163
Filler flap 271
Fuel reserve warning lamp 29, 339
Gasoline additives 448
Gauge 29
Premium unleaded gasoline 272,
445, 447
Refueling 271
Requirements 448
Fuel filler flap
Opening 271
Fuels, coolants, lubricants etc.
Capacities 444
Functions (control system) 141
Fuse chart see Vehicle tool kit
Fuses 424G
Garage door opener 251
Gasoline see Fuel
GAWR 312
Gear range
Automatic transmission 172
Canceling limit 175
Indicator 29
Limiting 172
Shifting into optimal 175
Gear selector lever 32, 168
Cleaning 328
Lock 52
Position 168, 170
Global locking/unlocking see Key
Glove box 233
Good visibility 180
Gross Axle Weight Rating see GAWR
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GVW 312
GVWR 313

466 Index
Loss of 110
Messages in display 379
Reprogramming 109
Selective setting 109
Unlocking 106
Snow chains 318
Spare fuses 424
Spare fuses see Vehicle tool kit
Spare tire see Spare wheel 405
Spare wheel 388, 389, 405, 440
Collapsible tire 410, 440
Inflating collapsible tire 410
Tire inflation pressure 410
Speed settings
Cruise control 212
Speedometer 27
Setting units 156
Sporty driving style 228
SRS
Indicator lamp 342
Messages in the multifunction
display 361
Standing lamps 128, 398
Standing water
Driving instructions 267
Starter battery 281, 414Starter switch 25, 40
Starter switch positions 39
Starting difficulties 53
Starting position 40
Starting the engine
With the SmartKey 52
With the SmartKey with
KEYLESS-GO* 53
Steering column
In/out adjustment 46
Length adjustment 46
Up/down adjustment 46
Steering wheel
Adjusting 45
Buttons 30
Cleaning 328
Heating* 240
Height adjustment 46
Steering wheel adjustment lever 25
Steering wheel gearshift control* 175
Stopping
Windows 198
Storage compartment
Center console 234Storage compartments 233
Armrest 234
Cup holder 238
Glove box 233
In door 233
Locking compartments
separately 235
Locking storage compartments 235
Parcel net 236
Rear 235
Seats 234
Storage tray 234
Unlocking compartments
separately 236
Unlocking storage
compartments 236, 392
Ventilated glove box 195
Storing tires 285
Submenus 143
Convenience 162
Instrument cluster 156, 157
Lighting 159
Selecting 154
Settings menus 154
Time 157
Vehicle 162